Three Stone
Lumière Trinity Three Stone Heart
The Lumière Trinity Three Stone Heart pairs a lab-grown or natural heart-cut diamond of approximately 2 carats — measuring 8 mm — with two carefully matched side stones, bringing the total diamond weight to around 2.6 carats. Lab-grown diamonds offer the same optical fire and chemical composition as mined stones, with full traceability and a lighter environmental footprint; natural diamonds remain a timeless choice for those drawn to classical provenance. The trio setting frames the heart silhouette with balanced symmetry, letting each stone amplify the brilliance of its neighbours. Crafted in your choice of 14-karat or 18-karat gold — using approximately 2.72 g or 3.20 g respectively — the band is finished to a refined, enduring standard. A considered choice for an engagement or meaningful anniversary. IGI or GIA certified, ethically sourced.
Technical specs
- Centre stone (your choice)
- Heart · 8.00 mm
- Side stones
- 2
- Total diamond weight
- 2.34–2.86 ct
- 18-karat gold
- 4.05–4.47 g
- 14-karat gold
- 3.38–3.74 g
Carat and gold weight are approximate. Your selected centre diamond is sourced from our certified network and its exact carat appears on the IGI or GIA certificate; gold weight is within standard casting tolerance.
Setting price (excluding center stone)
€1,141
IGI / GIA certified
Every center diamond ships with its lab report. Side stones meet the same grading standard.
Crafted by our trusted partner ateliers
Slovakia · Czechia · Turkey · India — each piece routed to the atelier best suited to the design.
Free first resize · 48h spec-change window · Lifetime servicing
We back what we cast. Cleaning, re-polishing and prong-tightening stay free for the life of the piece.
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Choose your diamond
Each stone is GIA / IGI certified and reserved for your ring once picked.
Pick your center diamond
8.00 × 8.00 mm · lab-grownYour current spec
14K yellow gold · Heart · 8.00 mm · Size 53
Center stone shape
Gold karat
Diamond type
Ring size (EU)
Buying as a surprise? Find her size discreetly → — and don’t worry, every ring is made to order, so resizing is free.
Engraving (optional)
0/40
Pick a centre diamond above to enable checkout.
or check out directly
Like the design but want a different stone, a colour, or a tweak? Ask us — we’ll tailor it and quote.
- IGI/GIA-certified diamonds
- Made to order in the EU · 3–5 weeks
- Free insured shipping
- Secure payment
Shipping, returns & warranty⌄
Free insured shipping across the EU.
Made for you, backed by us.
24-month warranty on craftsmanship · free first resize · lifetime cleaning.
Want to change the metal or stone before we cast? Email us within 48h of ordering.
Learn more: the 4Cs · lab vs natural · 14k vs 18k · ring size
Lumière Trinity Three Stone Heart
Reviews
What people are saying
First reviews coming soon.